W westgl Well-known member Joined Mar 6, 2012 Messages 1,225 Reaction score 0 Location Oregon Oct 19, 2013 #1 Can anyone tell what the ID of the intake head port size is? For the GL1000
slabghost Well-known member Joined Jun 12, 2010 Messages 14,852 Reaction score 17 Location eastern Ohio Oct 19, 2013 #2 I just measured mine at 1.412"
OP OP W westgl Well-known member Joined Mar 6, 2012 Messages 1,225 Reaction score 0 Location Oregon Oct 19, 2013 #3 Thanks Slab